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Yi-Xun, Tseng 曾奕勳 

Taipei, TW / [email protected] / +886-983535829 / Age 23 


   

EXPERIENCE
Frontend engineer - 17 Media, Taipei, Taiwan 2020/03 ~ present
Developed internal event system and job scripts for 17.live activities, such as developing React components and ranking calculator script. 
Skills Used: #TypeScript, #JavaScript, #React.js, #Node.js, #HTML, #CSS, 


Frontend engineer - Yahoo, Taipei, Taiwan 2018/09 ~ 2020/03
Developed Yahoo E-commerce Server-Side-Rendering web apps.
- Refactored and developed common React.js components to enhance project quality. 
- Performance enhancement, ex: Image lazy loading, avoiding reflow or repaint on HTML DOM tree.
- Cookie troubleshooting and collaborating with Back-End engineers to integrate game related api. 
- Solved technical problems by implementing JavaScript closure and developing the CSV-data-crawling feature. 
- Developed unit tests to protect React.js components or JavaScript utils code. 
- Solved pipeline problems when deployed to AWS instance. 
- CI/CD pipeline rebuilding, migrating from AWS to internal platform. 
- Integrated PWA and Google AMP to improve SEO ranking. 
Skills Used: #JavaScript, #Node.js, #SSR, #React.js, #Redux, #CI/CD, #PWA, #AMP, #AWS, #Jest, #HTML, #CSS
Projects:
1. Yahoo Shopdaily 刷報 link 
2. Yahoo E-commerce campaign game link 
3. Yahoo Shopping 
4. Apex, internal E-commerce api documents website

Web developer (full-time & internship) - Arkkers亞科國際, Kaohsiung, Taiwan 2017/07 ~ 2018/09 
Developed customized websites and apps (Android & IOS) for clients. 
Skills Used: #JavaScript, #Vue.js, #Angular, #Ionic, #PHP, #MYSQL, #HTML, #CSS 
Projects: 
1. Hcpower website link 
2. Hualien County long term care center website link 
3. MONSIN website link 
4. SWAN website link 
5. Hot springs booking app link


EDUCATION & CERTIFICATION 
- Southern Taiwan University of Science and Technology  (2014 ~ 2018)
  Department of information management 
- Oracle Certified Professional, JAVA SE6 Programmer link
 
ARTICLES (MEDIUM) 
- 為什麼我React-Router-v4客製化的Prompt會連續跳出兩次? link
- 為什麼我require的module是empty object !? Node.js 踩坑記「modules cycles」 link

CODING LANGUAGE 
- Familiar: JavaScript 
- Used: Typescript, JAVA, PHP
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